Liquid developer, developer cartridge, and image forming apparatus
US9709914B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Aug 12, 2015 |
| Grant date | Jul 18, 2017 |
| Priority date | — |
| Expiry date | Aug 12, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/125
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A liquid developer includes a carrier liquid and a toner particle whose surface is treated by a polyamine, wherein an amount of sodium ion to be eluted in 1 g of the toner particles is 0.04 mg or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.